Portion of a shoe sole



FIG. 1 is a bottom plan view of a portion of a shoe sole showing my newdesign;

FIG. 2 is a front perspective view thereof; and,

FIG. 3 a rear perspective view thereof.

The uneven broken line showing of the remainder of the shoe is forillsutrative purposes only and forms no part of the claimed design.

The ornamental design for a portion of a shoe sole, as shown anddescribed.